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Finding the Fourth Proportional to 1,097.87, 1,646.94 and 367.93

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Solution

The fourth proportional to 1,097.87, 1,646.94 and 367.93 is: 551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.87 : 1,646.94 = 367.93 : x
  2. Step 2: Convert to fraction form
    1,097.87/1,646.94 = 367.93/x
  3. Step 3: Cross multiply
    1,097.87x = 1,646.94 × 367.93
  4. Step 4: Simplify right side
    1,097.87x = 605,950.40
  5. Step 5: Solve for x
    x = 605,950.40/1,097.87
  6. Step 6: Final answer
    x = 551.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.